See DisMax... it will let you easily do multi-field queries that do what you want.
http://wiki.apache.org/solr/DisMaxRequestHandler q=food&qf=field_a^40 field_b^30 field_c^20 field_d^10 -Yonik On Jan 18, 2008 5:43 PM, Mark Cornick <[EMAIL PROTECTED]> wrote: > Greetings, > > We're working on an application for a client that uses Solr (via the > acts_as_solr Rails plugin) to query a database of about 16 million > business listings. Part of our client's strategy is to weigh matches > on certain fields higher than others. We've been using Solr boosts to > accomplish this. However, what they want is for only the match with > the highest boost to figure into the relevancy. What we tried to do > was a query something like > > (field_a:Food^40 OR field_b:Food^30 OR field_c:Food^20 OR > field_d:Food^10) > > but from reading debugQuery output, assuming we search for "food", all > four fields are matching and boosting the relevancy appropriately. > What we need is a sort of short-circuiting OR operator; that is, once > it matches one of the fields (in this case, field_a) it will stop > evaluating everything else inside the parenthesized group and boost > only by that first field (in this case, only the boost of 40.) > > From my reading of Solr and Lucene documentation, it doesn't appear > obvious that there's a way to do this. Has anyone ever tried to do > something like this? If so, how did you do it? Thanks in advance for > any help. > > > Mark Cornick, Web Developer/System Administrator, Viget Labs > [EMAIL PROTECTED] > http://www.viget.com/ >
